Diagnostico 8°grado

Diagnostico 8°grado

8th Grade

10 Qs

quiz-placeholder

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Diagnostico 8°grado

Diagnostico 8°grado

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Willian Ernesto Hern�ndez Rodr�guez

Used 3+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al resolver la siguiente operación, el resultado es: 

 [23+(3812)]÷[(59×310)+18]\left[\frac{2}{3}+\left(\frac{\text{3}}{8}-\frac{1}{2}\right)\right]\div\left[\left(\frac{5}{9}\times\frac{3}{10}\right)+\frac{1}{8}\right]  

 137\frac{13}{7}  

 197\frac{19}{7}  

 1235\frac{12}{35}  

 91576\frac{91}{576}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Al realizar la siguiente operación, el resultado es: 

 125÷3537×16507+314\frac{12}{5}\div\frac{3}{5}-\frac{3}{7}\times\frac{1}{6}-\frac{50}{7}+\frac{3}{14}  

 33  

 44  

 3-3  

 4-4  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El mínimo común múltiplo (mcm) de los números 3, 4 y 6 es:

1212

44

33

66

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El Máximo Común Divisor (MCD) de los números 12, 30 y 48 es:

1212

44

33

66

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si un lapicero cuesta m dólares y un cuaderno n dólares. ¿Cuál es el vuelto al comprar 4 lapiceros y 3 cuadernos con un billete de 10 dólares?

10mn10-m-n

103m4n10-3m-4n

104m3n10-4m-3n

104m+3n10-4m+3n

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Encuentra el valor numérico de la siguiente expresión algebraica : 

 (3x2)(2x5) \left(3x-2\right)\left(2x-5\right)\   si  x=8x=8  

 200200  

 250250  

 241241  

 242242  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt


Realiza la operación: sumar 
 (6x2+5x8)\left(6x^2+5x-8\right)  con  (3x27x+10)\left(3x^2-7x+10\right)  

 9x22x+29x^2-2x+2  

 3x22x+23x^2-2x+2  

 9x2+2x+29x^2+2x+2  

 9x42x2+29x^4-2x^2+2  

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